<template>
  <el-dialog :title="showTitle" :visible="showDialog" @close="close">
    <el-form ref="addDept" :model="formData" :rules="rules" label-width="120px">
      <el-form-item prop="name" label="部门名称">
        <el-input v-model="formData.name" placeholder="2-10个字符" style="width: 80%" size="mini" />
      </el-form-item>

      <el-form-item prop="code" label="部门编码">
        <el-input v-model="formData.code" placeholder="2-10个字符" style="width: 80%" size="mini" />
      </el-form-item>

      <el-form-item prop="managerId" label="部门负责人">
        <el-select v-model="formData.managerId" placeholder="请选择负责人" style="width: 80%" size="mini">
          <!-- 下拉选项 循环 负责人数据 label表示显示的字段 value 存储字段 -->
          <el-option
            v-for="item in managerList"
            :key="item.id"
            :label="item.username"
            :value="item.id"
          />
        </el-select>

      </el-form-item>

      <el-form-item prop="introduce" label="部门介绍">
        <el-input v-model="formData.introduce" placeholder="1-100个字符" type="textarea" size="mini" :rows="4" style="width: 80%" />
      </el-form-item>

      <el-form-item>
        <!-- 按钮 -->
        <el-row type="flex" justify="center">
          <el-col :span="12">
            <el-button size="mini" type="primary" @click="btnOK">确定</el-button>

            <el-button size="mini" @click="close">取消</el-button>

          </el-col>

        </el-row>

      </el-form-item>

    </el-form>

  </el-dialog>

</template>

<script>
import { updateDepartment, getDepartment, getManagerList, addDepartment, getDepartmentDetail } from '@/api/department'

export default {
  name: 'AddDept',
  props: {
    showDialog: {
      type: Boolean,
      default: false
    },
    currentNodeId: {
      type: Number,
      default: null
    }
  },
  data() {
    return {
      managerList: [], // 负责人数据
      formData: {
        code: '', // 部门编码
        introduce: '', // 部门介绍
        managerId: '', // 部门负责人id
        name: '', // 部门名称
        pid: '' // 父级部门的id
      },
      rules: {
        code: [{ required: true, message: '部门编码不能为空', trigger: 'blur' },
          {
            min: 2, max: 10, message: '部门编码的长度为2-10个字符', trigger: 'blur'
          },
          {
            trigger: 'blur',
            // 自定义校验模式
            validator: async(rule, value, callback) => {
              // value就是输入的编码
              let result = await getDepartment()
              if (this.formData.id) {
                result = result.filter(item => item.id !== this.formData.id)
              }
              // result数组中是否存在 value值
              if (result.some(item => item.code === value)) {
                callback(new Error('部门中已经有该编码了'))
              } else {
                callback()
              }
            }
          }
        ], // 部门编码
        introduce: [{ required: true, message: '部门介绍不能为空', trigger: 'blur' }, {
          min: 1, max: 100, message: '部门介绍的长度为1-100个字符', trigger: 'blur'
        }, {
          trigger: 'blur',
          // 自定义校验模式
          validator: async(rule, value, callback) => {
            // value就是输入的编码
            let result = await getDepartment()
            if (this.formData.id) {
              result = result.filter(item => item.id !== this.formData.id)
            }
            // result数组中是否存在 value值
            if (result.some(item => item.name === value)) {
              callback(new Error('部门中已经有该名称了'))
            } else {
              callback() // 校验通过
            }
          }
        }], // 部门介绍
        managerId: [{ required: true, message: '部门负责人不能为空', trigger: 'blur' }], // 部门负责人id
        name: [{ required: true, message: '部门名称不能为空', trigger: 'blur' },
          {
            min: 2, max: 10, message: '部门名称的长度为2-10个字符', trigger: 'blur'
          }] // 部门名称
        // pid: '' // 父级部门的id 不需要做校验
      }
    }
  },
  computed: {
    showTitle() {
      return this.formData.id ? '修改部门' : '新增部门'
    }
  },
  created() {
    this.getManagerList()
  },
  methods: {
    btnOK() {
      this.$refs.addDept.validate(async isOk => {
        let msg = '新增'
        // eslint-disable-next-line no-empty
        if (this.formData.id) {
          msg = '修改'
          await updateDepartment(this.formData)
        } else {
          await addDepartment({ ...this.formData, pid: this.currentNodeId })
        }
        // 通知父组件更新
        this.$emit('updateDepartment')
        this.$message.success(`${msg}部门成功!`)
        this.close()
      })
    },
    async getManagerList() {
      this.managerList = await getManagerList()
    },
    close() {
      this.formData = {
        code: '', // 部门编码
        introduce: '', // 部门介绍
        managerId: '', // 部门负责人id
        name: '', // 部门名称
        pid: '' // 父级部门的id
        // eslint-disable-next-line no-sequences
      },
      // 修改父组件的值
      this.$refs.addDept.resetFields() // 重置表单
      this.$emit('update:showDialog', false)
    },
    async getDepartmentDetail(id) {
      this.formData = await getDepartmentDetail(this.currentNodeId)
    }
  }
}
</script>

